How to charge a battery. An average car battery has a capacity of around 48 amp hours which means that, fully charged, it delivers 1 amp for 48 hours, 2 amps for 24 hours, 8 amps for 6 hours and so on.
This occurs when one of the soft, gel-filled discs between the vertebrae of the spine bulges or ruptures, compressing and/or irritating the sciatic nerve. Another common cause of sciatica is muscle spasm that compresses the sciatic nerve as it travels through the muscles.
In addition to the most common causes, a number of other conditions can cause sciatica, including: 1  Pregnancy. 2  The changes that the body goes through during pregnancy, including weight gain, a shift on one's center of gravity, and hormonal changes, can cause sciatica during pregnancy.3  Scar tissue.f the piriformis muscle irritates or pinches a nerve root that comprises the sciatic nerve, it can cause sciatica-type pain. Watch: Piriformis Syndrome Video. This is not a true radiculopathy (the clinical definition of sciatica), but the leg pain can feel the same as sciatica caused by a nerve irritation.